Home / 985,417.20-1,476,376.20-922,431.60

Finding the Fourth Proportional to 985,417.20, 1,476,376.20 and 922,431.60

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Solution

The fourth proportional to 985,417.20, 1,476,376.20 and 922,431.60 is: 1,382,009.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,417.20 : 1,476,376.20 = 922,431.60 : x
  2. Step 2: Convert to fraction form
    985,417.20/1,476,376.20 = 922,431.60/x
  3. Step 3: Cross multiply
    985,417.20x = 1,476,376.20 × 922,431.60
  4. Step 4: Simplify right side
    985,417.20x = 1,361,856,060,367.92
  5. Step 5: Solve for x
    x = 1,361,856,060,367.92/985,417.20
  6. Step 6: Final answer
    x = 1,382,009.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.